I have a D-Box for my A1200 with Phase 5 Blizzard IV +SCSI. I'm a little concerned about the accelerator connector breaking because the accelerator board does not firmly mount to the 1200 mother board. It flops side-to-side and is only kept in place by the tension of the SCSI cable.
I fixed my Apollo like that :
http://leblogdecosmos.blogspot.fr/2012/08/apollo-bequille.html
